CN211775122U - Steel strand connector - Google Patents
Steel strand connector Download PDFInfo
- Publication number
- CN211775122U CN211775122U CN201921614652.9U CN201921614652U CN211775122U CN 211775122 U CN211775122 U CN 211775122U CN 201921614652 U CN201921614652 U CN 201921614652U CN 211775122 U CN211775122 U CN 211775122U
- Authority
- CN
- China
- Prior art keywords
- steel strand
- connecting sleeve
- sleeve
- anchor
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 142
- 239000010959 steel Substances 0.000 title claims abstract description 142
- 238000001125 extrusion Methods 0.000 claims abstract description 66
- 238000004873 anchoring Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 9
- 239000002002 slurry Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Images
Landscapes
- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model provides a steel strand wires connector relates to steel strand wires auxiliary assembly technical field. The method comprises the following steps: the connecting sleeve is arranged in a hollow mode, and two ends of the connecting sleeve are used for assembling steel strands; the extrusion anchor is sleeved on the steel strand and assembled in the connecting sleeve; the pressure-bearing part is sleeved on the steel strand and is abutted with the extrusion anchor on the steel strand; the pressure-bearing piece is detachably and fixedly connected with any end of the connecting sleeve, so that the steel strand and the extrusion anchor are in limited assembly in the connecting sleeve. This application can prevent that extrusion anchor or steel strand wires from droing, promotes the stability of assembly to the simple structure of connector, the connection of steel strand wires is convenient. The problem that the clamping piece cannot clamp the steel strand due to the fact that slurry is mixed in the prior art is solved.
Description
Technical Field
The utility model relates to a steel strand wires auxiliary assembly technical field particularly, relates to a steel strand wires connector.
Background
The slow bonding prestress is a new structure technology developed at home and abroad in recent years, and is commonly used in engineering of large-span beams, railways, roads, road bridges and the like of industrial and civil buildings; the slow bonding prestress is that the prestressed steel strand is free in stretching deformation and does not bond with the surrounding slow-setting adhesive in the construction stage, and the prestressed reinforcement is bonded with the surrounding concrete through the cured slow-setting adhesive in a predetermined period after the construction is finished.
In the slow bonding prestress wire application, the segmentation stretch-draw prestress wire that can't use the steel strand connector to carry out prestress wire has been avoided, relate to the connection of two steel strands in the segmentation stretch-draw process, current steel strand connector adopts clip formula prestressing force muscle connector usually, easily get into mud between clamping piece in the clip formula connector and the connector during nevertheless construction, the clamping piece can not effectively press from both sides tight steel strand when leading to stretch-draw steel strand, steel strand is easily pulled off at the stretch-draw in-process, can't form effective prestressing force, influence construction quality.
SUMMERY OF THE UTILITY MODEL
For the technical problem who solves among the prior art steel strand wires connector clamping piece can not effectively press from both sides tight steel strand wires, the utility model discloses a main aim at provides one kind and connects more effective steel strand wires connector in the steel strand wires connecting process.
An embodiment of the utility model provides a steel strand wires connector, include:
the connecting sleeve is arranged in a hollow mode, and two ends of the connecting sleeve are used for assembling steel strands;
the extrusion anchor is sleeved on the steel strand and assembled in the connecting sleeve;
the pressure-bearing part is sleeved on the steel strand and is abutted with the extrusion anchor on the steel strand; the pressure-bearing piece is detachably and fixedly connected with any end of the connecting sleeve, so that the steel strand and the extrusion anchor are in limited assembly in the connecting sleeve.
Further, in a preferred embodiment of the present invention, the steel strand wires at both ends of the connecting sleeve extend within the connecting sleeve for a predetermined distance.
Further, in a preferred embodiment of the present invention, each of the steel strands is provided with the pressure-bearing members, and two of the pressure-bearing members are symmetrically disposed with respect to a center line of the connecting sleeve located in a radial direction.
Further, in a preferred embodiment of the present invention, each steel strand is provided with the extrusion anchor, and two of the extrusion anchors are symmetrically disposed with respect to a center line of the connecting sleeve located in a radial direction.
Further, in a preferred embodiment of the present invention, the compression anchor comprises: the steel strand extruding device comprises an extruding sleeve and an extruding spring sleeved in the extruding sleeve, wherein the extruding spring is sleeved at an anchoring end of the steel strand.
Further, in a preferred embodiment of the present invention, the inner wall of the pressing sleeve is provided with a thread, and the pressing spring is adapted to the thread.
Further, in a preferred embodiment of the present invention, the inner walls of the two ends of the connecting sleeve are both provided with threads, and the pressure-bearing member is screwed with the connecting sleeve.
Further, in a preferred embodiment of the present invention, the bearing member is a bearing nut, and an outer wall of the bearing nut is provided with a thread.
Further, in a preferred embodiment of the present invention, one end surface of the pressure-bearing member abuts against the extrusion anchor, and the other end surface of the pressure-bearing member is coplanar with the end surface of the connection sleeve.
Further, in a preferred embodiment of the present invention, an end of the extrusion anchor, which is far away from the bearing member, has a predetermined distance from an end of the steel strand anchor end.
The embodiment of the utility model provides a pair of steel strand wires connector, usable same connecting sleeve's both ends are assembled fixedly to steel strand wires respectively to realize that two steel strand wires connect, the follow-up segmentation tensioning steel strand wires of being convenient for. Wherein, steel strand wires and extrusion anchor assembly back are whole assembles to the adapter sleeve in to realize the spacing assembly of extrusion anchor through being connected of bearing spare and adapter sleeve, prevent that extrusion anchor or steel strand wires from droing, promote the stability of assembly, and the simple structure of connector, the connection of steel strand wires is convenient. In the assembling process, the clamping and fixing action of the clamping piece is not needed, and the clamping piece is reused to realize fixation on the premise that the extrusion anchor is assembled with the connecting sleeve, so that the problem that the clamping piece cannot clamp the steel strand due to the fact that slurry is mixed in the prior art is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a steel strand connector according to an embodiment of the present invention;
fig. 2 is a front view of a connection sleeve according to an embodiment of the present invention;
FIG. 3 is a corresponding side view of the coupling sleeve of FIG. 2;
fig. 4 is a schematic structural view of the extrusion anchor according to an embodiment of the present invention;
fig. 5 is a front view of an extrusion sleeve according to an embodiment of the present invention;
FIG. 6 is a corresponding side view of the extrusion sleeve of FIG. 5;
fig. 7 is a schematic structural diagram of a pressing spring according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a pressure-bearing member according to an embodiment of the present invention;
fig. 9 is a corresponding side view of the pressure bearing member of fig. 8.
Reference numerals:
1. the steel strand connecting device comprises a connecting sleeve, 2, an extrusion anchor, 21, a first extrusion anchor, 22, a second extrusion anchor, 23, an extrusion sleeve, 24, an extrusion spring, 3, a bearing part, 31, a first bearing part, 32, a second bearing part, 4, a steel strand, 41, a first steel strand, 42, a second steel strand and 5 threads.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Most of the prestressed steel strand 4 connectors commonly used in the engineering of China at the present stage have the defects of excessive structural components, complex installation, inconvenient field operation and the like. As shown in fig. 1-9, the embodiment of the utility model provides a 4 connectors of steel strand wires are 4 connectors of long sleeve formula slow bonding prestressing force steel strand wires, and it includes: the steel strand compression device comprises a connecting sleeve 1, an extrusion anchor 2 and a pressure-bearing part 3 which are arranged in a hollow mode, wherein two ends of the connecting sleeve 1 are used for assembling steel strands 4; the extrusion anchor 2 is sleeved on the steel strand 4, the extrusion anchor 2 is assembled in the connecting sleeve 1, and the pressure-bearing part 3 is sleeved on the steel strand 4 and is abutted against the extrusion anchor 2 on the steel strand 4; the bearing piece 3 is detachably and fixedly connected with either end of the connecting sleeve 1, so that the steel strand 4 and the extrusion anchor 2 are in limited fit in the connecting sleeve 1. The embodiment of the utility model provides a pair of 4 connectors of steel strand wires, usable same connecting sleeve 1's both ends are assembled respectively steel strand wires 4 fixedly to realize that two steel strand wires 4 connect, the follow-up segmentation of being convenient for is opened and is drawn steel strand wires 4. Wherein, steel strand wires 4 and extrusion anchor 2 assemble the back whole assembly to connecting sleeve 1 in to realize extrusion anchor 2's spacing assembly through being connected of bearing part 3 and connecting sleeve 1, prevent that extrusion anchor 2 or steel strand wires 4 from droing, promote the stability of assembly. In the assembling process, the clamping and fixing action of the clamping piece is not needed, and the compression anchor 2 and the connecting sleeve 1 are assembled and fixed by the pressure-bearing part 3, so that the problem that the clamping piece cannot clamp the steel strand 4 due to the fact that slurry is mixed in the prior art is solved.
Specifically, the two steel strands 4 are respectively a first steel strand 41 and a second steel strand 42, the extrusion anchor 2 on each corresponding steel strand 4 is respectively a first extrusion anchor 21 and a second extrusion anchor 22, and the pressure-bearing member 3 on each corresponding steel strand 4 is respectively a first pressure-bearing member 31 and a second pressure-bearing member 32. The first extrusion anchor 21 is anchored at the anchoring end of the first steel strand 41 and forms an integral structure with the first steel strand 41, the integral structure is assembled to the inside of the connecting sleeve 1 from one end of the connecting sleeve 1, the first pressure bearing piece 31 arranged through the integral structure is fixed to one end of the connecting sleeve 1, and the first steel strand 41 and the first extrusion anchor 21 are fixed in the connecting sleeve 1 in a limiting mode. Correspondingly, the second extrusion anchor 22 and the second steel strand 42 are connected into a whole and assembled at the other end of the connecting sleeve 1, the second bearing part 32 is fixedly connected with the other end of the connecting sleeve 1, and the second extrusion anchor 22 and the second steel strand 42 are fixed in a limiting manner. Therefore, the first steel strand 41 and the second steel strand 42 are connected, the first steel strand 41 and the second steel strand 42 are conveniently stretched in a segmented mode, the steel strand 4 connector is used for stretching the prestressed steel strand 4 in a segmented mode of the prestressed steel strand 4, the loss of prestress can be reduced, and the stretching force is effectively established; the steel strand 4 connector is simple in structure, firm in connection and simple in connection process. In addition, the application limitation of the clip type connector in the prior art can be improved by the steel strand 4 connector, when the clip type connector is used for unbonded prestress engineering, the connector of the steel strand 4 can only be arranged at a post-cast strip, and the process is complex.
Wherein, steel strand wires 4 form overall structure after passing through the extruder extrusion with extrusion anchor 2, and overall structure inserts from the both ends of connecting sleeve 1, rethread bearing part 3 the effect, with the connecting sleeve 1 both ends screw for two steel strand wires 4 connect as an organic wholely. The utility model provides a 4 connectors of prestressing force steel strand wires simple structure, it is convenient, firm to connect, can reduce prestressing loss, effectively establishes the tension force.
The connector in the prior art also has the following technical problem that the existing sleeve type steel strand 4 connector is not tightly engaged with the contact surface of the connecting sleeve 1 at the anchoring end in the assembling process and cannot bear the deformation caused when the steel strand 4 is tensioned, so that the steel strand 4 and the connector are easy to fall off. For solving this technical problem, an embodiment of the utility model provides an among the 4 connectors of steel strand wires, connecting sleeve 1 both ends steel strand wires 4 all are in it has preset distance to extend in connecting sleeve 1, as shown in fig. 1, the anchor end of first steel strand wires 41 and the anchor end of second steel strand wires 42 all are located connecting sleeve 1, and the preset distance that two steel strand wires 4 extend in connecting sleeve 1 can be the same, also can adjust according to the length of steel strand wires 4 separately, and the two is preset apart the same in this embodiment. The prestressed steel strand 4 extends for a certain distance in the connecting sleeve 1, so that the steel strand 4 and the connector can be effectively prevented from falling off, and the stability of the connection of the steel strand 4 and the connector is improved.
Wherein, the utility model relates to an in the embodiment, the one end of keeping away from pressure-bearing piece 3 on the extrusion anchor 2 has the interval of predetermineeing with the tip of 4 anchor ends of steel strand wires, further avoids steel strand wires 4 to drop, promotes the stability that steel strand wires 4 are connected.
As shown in fig. 1, 8-9, in a preferred embodiment of the present invention, in order to ensure the stability of the steel strand 4 and the connector, each of the steel strand 4 is provided with a pressure-bearing member 3, i.e. a first pressure-bearing member 31 and a second pressure-bearing member 32, as shown in fig. 1, the two pressure-bearing members 3 are symmetrically disposed about a center line of the connecting sleeve 1, which is located in the radial direction, in this embodiment, the first pressure-bearing member 31 is located at one end of the connecting sleeve 1, and the second pressure-bearing member 32 is located at the other end of the connecting sleeve 1.
Wherein, in an embodiment of the utility model, for the steadiness of guaranteeing steel strand wires 4 and connector, all be provided with an extrusion anchor 2 on every steel strand wires 4, also have first extrusion anchor 21 and second extrusion anchor 22, two extrusion anchors 2 are located radial ascending central line symmetry setting about adapter sleeve 1, guarantee the equilibrium of adapter sleeve 1 both ends power.
As shown in fig. 1 and 4-7, in the steel strand 4 connector according to an embodiment of the present invention, the anchor 2 includes: the steel strand extruding device comprises an extruding sleeve 23 and an extruding spring 24 sleeved inside the extruding sleeve 23, wherein the extruding spring 24 is sleeved at the anchoring end of the steel strand 4.
Wherein, the inner wall of the extrusion sleeve 23 is provided with screw threads 5, the extrusion spring 24 is in a spring shape, and each gap in the axial direction of the extrusion spring 24 is matched with the distance between the screw threads 5; the extrusion spring 24 is sleeved at the anchoring end of the steel strand 4, the extrusion sleeve 23 and the steel strand 4 sleeved with the extrusion spring 24 are extruded into a whole through an extruder, and then the whole structure of the steel strand 4, the extrusion spring 24 and the extrusion sleeve 23 is assembled into the connecting sleeve 1.
In the embodiment, the inner walls of the two ends of the connecting sleeve 1 are both provided with threads 5, and the inner side walls of the middle section are smooth; the middle part of the connecting sleeve 1 is used for matching with the extrusion sleeve 23, and the two ends of the connecting sleeve 1 are used for being spirally connected with the pressure-bearing piece 3. The bearing part 3 is a bearing nut, and the outer wall of the bearing nut is provided with a thread 5; the bearing nut is in a circular ring shape. One end surface of the pressure-bearing piece 3 is abutted against the extrusion anchor 2, and the other end surface of the pressure-bearing piece 3 is coplanar with the end surface of the connected sleeve 1.
In other embodiments, the connecting sleeve 1 and the pressure-bearing part 3 can be fixed in a buckling manner, the inner walls at two ends of the connecting sleeve 1 are provided with protruding structures, the outer wall of the pressure-bearing part 3 is correspondingly provided with a sliding groove structure, the connecting sleeve 1 and the pressure-bearing part 3 are adjusted to be fixed in a buckling manner through rotation, and the connecting sleeve 1 and the pressure-bearing part 3 can be detached through rotation in the opposite direction.
The utility model provides an implementation step of 4 connectors of slow bonding prestressing force steel strand wires does:
stripping a section of sheath at the anchoring end of the steel strand 4, sequentially sleeving a pressure-bearing nut and an extrusion spring 24 into the anchoring end of the steel strand 4, and ensuring that the anchoring end of the steel strand 4 exceeds the extrusion spring 24 by a part;
extruding the steel strand 4 sleeved with the extrusion spring 24 and the extrusion sleeve 23 by an extruder to form a whole;
preparing an extrusion integral structure of two groups of steel strands 4, an extrusion sleeve 23 and an extrusion spring 24;
inserting the two groups of extruded integral structures into the two ends of the connecting sleeve 1 respectively;
the two ends of the connecting sleeve 1 are respectively screwed into a pressure-bearing nut, so that one end surface of the pressure-bearing nut is flush with the end surface of the connecting sleeve 1, and the other end surface of the pressure-bearing nut is abutted against the extrusion anchor 2; after both ends are screwed down, the connection of the two steel strands 4 is realized.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. This is merely for convenience in describing the invention and to simplify the description and is not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation and is therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A steel strand connector, comprising:
the connecting sleeve is arranged in a hollow mode, and two ends of the connecting sleeve are used for assembling steel strands;
the extrusion anchor is sleeved on the steel strand and assembled in the connecting sleeve;
the pressure-bearing part is sleeved on the steel strand and is abutted with the extrusion anchor on the steel strand; the pressure-bearing piece is detachably and fixedly connected with any end of the connecting sleeve, so that the steel strand and the extrusion anchor are in limited assembly in the connecting sleeve.
2. The steel strand connector according to claim 1, wherein the steel strands at both ends of the connection sleeve extend a predetermined distance within the connection sleeve.
3. The steel strand connector according to claim 2, wherein said bearing members are provided on each of said steel strands, and two of said bearing members are symmetrically provided with respect to a center line of said connection sleeve in a radial direction.
4. The steel strand connector according to claim 2, wherein said compression anchors are provided on each steel strand, and wherein said two compression anchors are symmetrically disposed about a center line of said connection sleeve in a radial direction.
5. The steel strand connector of claim 1, wherein the compression anchor comprises: the steel strand extruding device comprises an extruding sleeve and an extruding spring sleeved in the extruding sleeve, wherein the extruding spring is sleeved at an anchoring end of the steel strand.
6. The steel strand connector according to claim 5, wherein said compression spring is adapted to fit with a thread provided on an inner wall of said compression sleeve.
7. The steel strand connector according to claim 1, wherein the inner walls of both ends of the connection sleeve are provided with threads, and the bearing member is screw-coupled to the connection sleeve.
8. The steel strand connector according to claim 7, wherein said bearing member is a bearing nut, an outer wall of which is provided with a thread.
9. The steel strand connector according to claim 7, wherein one end surface of said bearing member abuts against said compression anchor, and the other end surface of said bearing member is coplanar with the end surface of said connection sleeve.
10. The steel strand connector according to claim 1, wherein an end of the compression anchor remote from the bearing member is spaced a predetermined distance from an end of the steel strand anchoring end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614652.9U CN211775122U (en) | 2019-09-25 | 2019-09-25 | Steel strand connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614652.9U CN211775122U (en) | 2019-09-25 | 2019-09-25 | Steel strand connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211775122U true CN211775122U (en) | 2020-10-27 |
Family
ID=72934807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921614652.9U Expired - Fee Related CN211775122U (en) | 2019-09-25 | 2019-09-25 | Steel strand connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211775122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387332A (en) * | 2022-08-26 | 2022-11-25 | 中亿丰建设集团股份有限公司 | Solid square pile head threaded connection damage repairing device and repairing method |
-
2019
- 2019-09-25 CN CN201921614652.9U patent/CN211775122U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387332A (en) * | 2022-08-26 | 2022-11-25 | 中亿丰建设集团股份有限公司 | Solid square pile head threaded connection damage repairing device and repairing method |
| CN115387332B (en) * | 2022-08-26 | 2024-05-14 | 中亿丰建设集团股份有限公司 | Device and method for repairing damaged pile head threaded connection of solid square pile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102002911B (en) | Carbon fiber cable strand inner sleeve conical bonded anchorage device | |
| CN212376149U (en) | Connector for connecting unbonded prestressed steel strands in post-cast strip | |
| CN211775122U (en) | Steel strand connector | |
| JP6117898B1 (en) | Structure-tightening method | |
| CN112942623A (en) | Assembled ALC plate anti-crack connecting structure and connecting method | |
| CN109773947B (en) | Steel wire rubber strip winding pipe with prestressed tendon hole forming function and use method | |
| CN211646975U (en) | Retarded adhesive prestressed steel strand connector | |
| CN216587002U (en) | Assembly type building component | |
| CN110593141A (en) | Bridge prestress reinforcing structure and reinforcing method | |
| CN212801942U (en) | Assembled prestressed column-beam joint structure | |
| CN215214293U (en) | Stud combined structure | |
| CN214362904U (en) | Prestressed anchorage utensil is used in public road bridge roof beam construction | |
| CN109518885B (en) | Prestressed anchoring device, anchoring system applying prestressed anchoring device and construction method | |
| CN109898866B (en) | Two-end tensioning structure with bonded post-tensioning prestressed beam for sectional construction | |
| CN209907941U (en) | Pre-buried device of frame hole is climbed in reservation of aluminum alloy template system | |
| CN113235441A (en) | Strand penetrating device and method for prestressed steel strand | |
| JP2004244750A (en) | Fixation structure of end part of composite wire rod of fiber, method for fixation formation and fixed mounting structure of composite wire rod of fiber | |
| CN110670490A (en) | Pore-forming device and pore-forming method for prestressed pipeline | |
| CN215106605U (en) | Anchor with fixing device | |
| CN214194514U (en) | Steel strand wiring device for mechanical enlarged footing anti-floating anchor rod in mudstone area | |
| CN218091617U (en) | External prestress FRP rib steering device | |
| CN209975707U (en) | Connecting structure of building main body and overhanging prefabricated part | |
| CN214739909U (en) | Repeatedly usable's building templates | |
| CN108978890A (en) | Novel prefabricated primary and secondary beam composite joint node of one kind and attaching method thereof | |
| CN2161725Y (en) | Steel fibre concrete shaft screw fastener joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |